code: def test_write_memfile_crs_wkt():
      example_schema = {
          "geometry": "Point",
          "properties": [("title", "str")],
      }
  
      example_features = [
          Feature.from_dict(
              **{
                  "geometry": {
                      "type": "Point",
                      "coordinates": [0.0, 0.0],
                  },
                  "properties": {"title": "One"},
              }
          ),
          Feature.from_dict(
              **{
                  "geometry": {
                      "type": "Point",
                      "coordinates": [1.0, 2.0],
                  },
                  "properties": {"title": "Two"},
              }
          ),
          Feature.from_dict(
              **{
                  "geometry": {
                      "type": "Point",
                      "coordinates": [3.0, 4.0],
                  },
                  "properties": {"title": "Three"},
              }
          ),
      ]
  
      with io.BytesIO() as fd:
          with fiona.open(
              fd,
              "w",
              driver="GPKG",
              schema=example_schema,
              crs_wkt=CRS.from_epsg(32611).to_wkt(),
          ) as dst:
              dst.writerecords(example_features)
  
          fd.seek(0)
          with fiona.open(fd) as src:
              assert src.driver == "GPKG"
              assert src.crs == "EPSG:32611"
  
file_path: Fiona/tests/test_open.py
imports: import io
  import os
  import pytest
  import fiona
  from fiona.crs import CRS
  from fiona.errors import DriverError
  from fiona.model import Feature
label_desc: Use image node_id 3 for calling a global function with example usage: test_write_memfile_crs_wkt() without return types